The black box is a necessary device on an airplane, which records its speed, direction and whethereverything on the airplane _____ normally.

试卷相关题目

• 1－What's that terrible noise?－The neighbors _______ for a party.

  A.have prepared

  B.are preparing

  C.prepare

  D.will prepare

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• 2Daniel, you _____ into things. How can anyone be so clumsy?

  A.always knock

  B.are always knocking

  C.always look

  D.are always looking

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• 3I don't really work here; I ____ until the new teacher arrives.

  A.just help out

  B.am just helping out

  C.have just helped out

  D.will just help out

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• 4— I'm going to the States.— How long ______in the States?

  A.you stay

  B.did you stay

  C.have you stayed

  D.are you staying

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• 5—If the shop _____ soon, we won't buy this kind of shoes. Shall we go shopping this afternoon?   —OK, can't agree more.

  A.has closed down

  B.is closing down

  C.closed down

  D.will close down

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• 6I want to know when he  ___ for New York tomorrow.

  A.has left

  B.is leaving

  C.had left

  D.has been leaving

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• 7I'm gonna beat you as soon as I finish what I            .

  A.was doing

  B.am doing

  C.have done

  D.had been doing

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• 8We are ________ about your experience in the army.

  A.dying for hearing

  B.dying of hearing

  C.to die to hear

  D.dying to hear

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• 9— Have you got any job offers? — No, I _____.

  A.wait

  B.had been waiting

  C.have waited

  D.am waiting

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• 10Our country, together with others in the Third World,________ hard to build a harmonious homelandfor human beings now.

  A.work

  B.working

  C.is working

  D.are working

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